WhatsApp testa histórico recente: novos membros veem mensagens de 24h

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Based on the search result excerpt available to me [2], I can provide you with what information is available:

The article discusses a **WhatsApp update testing a feature that allows new group members to see messages sent up to 24 hours before they joined the group**. Currently, new members only see messages from after they were added.

Key points from the available excerpt:

– **Purpose**: Facilitate easier integration of new members by providing context
– **Risk**: Could create uncomfortable situations in family, school, or work groups where previous messages become visible
– **Technical safeguard**: End-to-end encryption remains intact; messages are recryptographed when new members join
– **Limitation**: WhatsApp may cap the feature at approximately 1,000 messages per 24-hour period
– **Timeline**: June 2026 is the deadline for businesses using WhatsApp’s official API to adapt to the new system

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